18199740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23333}}^1$

素因数の和:23358

約数の個数: 48

約数和(自身を含む): 54881568

約数和(自身を除く): 36681828

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 23333, 46666, 69999, 93332, 116665, 139998, 233330, 279996, 303329, 349995, 466660, 606658, 699990, 909987, 1213316, 1399980, 1516645, 1819974, 3033290, 3639948, 4549935, 6066580, 9099870, 18199740]

約数ペア:

[(1, 18199740), (2, 9099870), (3, 6066580), (4, 4549935), (5, 3639948), (6, 3033290), (10, 1819974), (12, 1516645), (13, 1399980), (15, 1213316), (20, 909987), (26, 699990), (30, 606658), (39, 466660), (52, 349995), (60, 303329), (65, 279996), (78, 233330), (130, 139998), (156, 116665), (195, 93332), (260, 69999), (390, 46666), (780, 23333)]